they're both of arlington, virginia. but now, we've learned that's not his real name. his real name is paul pardis. he came here to hear a doctor's description of his mother's condition and during that debriefing, this man, police say, pulled out a handgun as he became emotionally distraught and shot the doctor once in the abdomen. baltimore police swarmed the huge campus of johns hopkins hospital just after 11 a.m. with the report a gunman was in one of the buildings. a doctor was shot and a man was holed up. ashley davis, who said she didn't want her face shown, said she was in the emergency room when she saw the doctor rolled by on a stretcher. >> he appeared to be fine to me. i saw him for 30 seconds. >> but he was conscious. >> yes. >> reporter: paul warren pardis opened fire after hearing the condition of his mother. >> he was being briefed by a doctor, a staff doctor, at johns hopkins, about the condition of his mother, who's identified at jean davis. mr. davis was receiving some news about the care and the condition of his mother just outside the doorway to tha